A teenager was stabbed early Friday morning across the street from Prospect Park.

The 19-year-old boy was knifed multiple times in the back and stomach on 15th Street near Bartel Pritchard Square, at the southwest corner of Prospect Park, after a rowdy argument involving 20 youths, according to cops and witnesses.

From high up above, Tom Prendergast is out on his deck and was able to capture a few minutes on video.

By the way, after reading the article, scroll down to the comments section; some interesting stuff.